(Lieutenant Governor Albert Brewer became acting governor for a portion of one day as Governor Lurleen Wallace received medical treatment out-of-state for more than 20 days. He became governor upon the death of Lurleen Wallace)

(Lieutenant Governor Charles McDowell became acting governor when Gov. Brandon spent 21 days in New York City chairing the state delegation to the 1924 Democratic Convention. According to the 1901 Constitution, if the governor is out of the state more than 20 days, the lieutenant governor becomes acting governor)

(President of the Senate, William Jelks became acting governor because Governor William Samford sought medical treatment out-of-state during the initial days of his administration which began December 1, 1900)

NOTES:
* Initially, the governor served a two-year term. The Alabama Constitution of 1901 set the term at four years and prohibited a governor from serving two consecutive terms. Constitutional Amendment No. 282, ratified in 1968, allows the governor to serve two consecutive terms.
** The Constitution of 1901 designated the lieutenant governor as next in line to succeed the governor followed by the president pro tem of the Senate.
*** The Constitution of 1901 states that if the governor is absent from the state for more than 20 days, then the lieutenant governor shall assume the powers and duties of the governor until his return.Authorities:
Gubernatorial Election Results, Secretary of State's Office.
Rogers, William Warren et al., Alabama: The History of a Deep South State, 1994.